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Term 1: Term 2:

No TPTP formula. May not be expressible in strict first order. Geography.kif 4026-4026 Mountain is a subclass of land form
No TPTP formula. May not be expressible in strict first order. Geography.kif 4027-4027 Mountain is a subclass of upland area
No TPTP formula. May not be expressible in strict first order. Geography.kif 4078-4078 Volcanic mountain is a subclass of mountain


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